Comparative Anatomy of Lower Jaw Bones
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Questions and Answers

Which bone in the lower jaw of a frog articulates with the quadratojugal bone of the upper jaw?

  • Mentomeckelian bone
  • Coronary process
  • Dentary bone
  • Angulosplenial bone (correct)
  • Where are the teeth located in frogs?

  • Maxilla and vomers
  • Premaxilla and maxilla (correct)
  • Mentomeckelian bone
  • Dentary bone
  • What is the function of teeth in frogs?

  • Assist in mastication
  • Project into the hyoid apparatus
  • Prevent prey from escaping (correct)
  • Help in olfaction
  • What structure forms the support for the floor of the buccal cavity in frogs?

    <p>Hyoid apparatus</p> Signup and view all the answers

    Which structure is responsible for separating the respiratory passage from the buccal cavity in mammals?

    <p>True palate</p> Signup and view all the answers

    What characteristic of mammalian skull bones allows them to be united by zig-zag lines called sutures?

    <p>Presence of true palate</p> Signup and view all the answers

    In which type of dentition do mammals have teeth that differ in shape and structure for various functions like cutting, tearing, and chewing food?

    <p>Heterodont dentition</p> Signup and view all the answers

    Which skull structure contributes to the formation of the glenoid fossa in mammals?

    <p>Zygomatic process</p> Signup and view all the answers

    What bones immobilize the upper jaw to the skull in frogs?

    <p>Palatine, auditory capsule bones, squamosal bone</p> Signup and view all the answers

    Which bone connects the maxilla to the sphenethmoid of the cranium?

    <p>Palatine</p> Signup and view all the answers

    Where is the squamosal bone attached in the upper jaw of a frog?

    <p>Posteriorly to the quadratojugal</p> Signup and view all the answers

    Which bone forms the outer margin of the skull anteriorly and laterally in a frog?

    <p>Premaxilla</p> Signup and view all the answers

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